Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it ...

The Caribbean Sea is often associated with crystal-clear water, vibrant coral reefs, and post-card perfect beaches. But ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Rearing the babies will provide scientists with a rare opportunity to learn about the typically deeper-water creatures ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

A deep-sea search for Malaysia Airlines Flight 370 has begun in the Indian Ocean, reviving efforts to solve one of aviation’s greatest mysteries HANOI, Vietnam -- A deep-sea search for Malaysia ...

Scientists have uncovered why big predators like sharks spend so much time in the ocean’s twilight zone. The answer lies with mid-sized fish such as the bigscale pomfret, which live deep during the ...

The deep-sea octopus is "rarely seen," per the Monterey Bay Aquarium Research Institute, which has only seen it four times in four decades Researchers collected detailed observations about the octopus ...

Scientific studies show substantial reductions in deep-sea biodiversity following mining tests, with impacts potentially lasting decades. Governments are split between environmental caution and the ...